My university lies in the north of the city, around （ ） high mountains.

The authority urged the rebellious party to _____ their arms and come back to the negotiating table.

If you get into difficulties, don’t hesitate to （ ） help.

This is the very house （ ） my grandpa lived before his death in 1980.

—（ ）, Madam. Is there a post office near here? —Keep on going ahead.Turn right at the first crossroad.Then you’ll find one there.

We consider_____the instrument be adjusted each time it is use

In his opinion, success in life mainly （ ） on how we get along with other people.

You _____ all those calculations! We have a computer to do this sort of things.

_____ finished his work, he had to stay at home on the weekend.

The defense computers calculate way to （ ） the enemy missiles.

By the time you arrive in London, we （ ） in Europe for two weeks.

Mr. Green said his clients _____ our samples by the end of last month.